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CRITICAL · 9.6

CVE-2026-50380

Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

Vulnerability Description

Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.9339
MicrosoftWindows 10 1809< 10.0.17763.9020
MicrosoftWindows 10 21H2< 10.0.19044.7548
MicrosoftWindows 10 22H2< 10.0.19045.7548
MicrosoftWindows 11 24H2< 10.0.26100.8875
MicrosoftWindows 11 25H2< 10.0.26200.8875
MicrosoftWindows 11 26H1< 10.0.28000.2269
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016< 10.0.14393.9339
MicrosoftWindows Server 2019< 10.0.17763.9020
MicrosoftWindows Server 2022< 10.0.20348.5386
MicrosoftWindows Server 2025< 10.0.26100.33158

Related Weaknesses (CWE)

CWE-122

References

FAQ

What is CVE-2026-50380?

CVE-2026-50380 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

How severe is CVE-2026-50380?

CVE-2026-50380 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-50380?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2, Microsoft Windows 11 24H2.